Home / 69,380.85-95,722.18-45,170.76

Finding the Fourth Proportional to 69,380.85, 95,722.18 and 45,170.76

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Solution

The fourth proportional to 69,380.85, 95,722.18 and 45,170.76 is: 62,320.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,380.85 : 95,722.18 = 45,170.76 : x
  2. Step 2: Convert to fraction form
    69,380.85/95,722.18 = 45,170.76/x
  3. Step 3: Cross multiply
    69,380.85x = 95,722.18 × 45,170.76
  4. Step 4: Simplify right side
    69,380.85x = 4,323,843,619.46
  5. Step 5: Solve for x
    x = 4,323,843,619.46/69,380.85
  6. Step 6: Final answer
    x = 62,320.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.